Perfect Fourth vs Tritone

Side-by-side comparison of two musical terms.

	Perfect Fourth	Tritone
Definition	An interval spanning five semitones, historically treated as both consonant and dissonant depending on context.	An interval of six semitones — exactly half an octave
Category	intervals	intervals
Pronunciation	/ˈpɜːfɪkt fɔːθ/	TRY-tohn
Origin	Latin (quartus, fourth)	Latin
BPM	—	—
Synonyms	diatessaron (Greek)just fourth	augmented fourth diminished fifth
Antonyms	tritone augmented fourth	—
Usage	The horn call opens with a bold perfect fourth, immediately evoking the outdoors.	The tritone between the leading note and the fourth degree creates the tension that pulls the dominant seventh home.

Definition: An interval spanning five semitones, historically treated as both consonant and dissonant depending on context.
Category: intervals
Pronunciation: /ˈpɜːfɪkt fɔːθ/
Origin: Latin (quartus, fourth)
Synonyms: diatessaron (Greek)just fourth
Antonyms: tritone augmented fourth
Usage: The horn call opens with a bold perfect fourth, immediately evoking the outdoors.

Definition: An interval of six semitones — exactly half an octave
Category: intervals
Pronunciation: TRY-tohn
Origin: Latin
Synonyms: augmented fourth diminished fifth
Usage: The tritone between the leading note and the fourth degree creates the tension that pulls the dominant seventh home.